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981results about How to "Product quality is easy to control" patented technology

A kind of mixed substrate for plant cultivation and preparation method thereof

InactiveCN102295488AIncrease added valueOvercoming a disrupted status quoFertilizer mixturesPeatPlant cultivation
The invention discloses a mixed plant culture medium and a preparation method thereof. The culture medium comprises peat and an agricultural and forest residue compositing fermentation medium, wherein the volume proportion of peat to agricultural and forest residue compositing fermentation medium is (30-50):(50-70). The mixed culture medium prepared by the method in the invention has the advantages of balanced nutrition, high nutrition component contents and stable physical property. The mixed culture medium prepared by the method in the invention is reasonable in nutrition structure and convenient for absorption of foliage plants and meets the growth requirement of the foliage plants, thereby improving the culture survival rate and viewing effect of the foliage plants.
Owner:BEIJING FORESTRY UNIVERSITY

Nano artificial dura mater with multi functional-layers and preparation method thereof

The invention provides a nano artificial dura mater with a plurality of functional layers, which comprises a structure with at least two layers; the layer facing the brain is a hydrophobic anti-adhesion electrospun layer; and the layer back to the brain is a hydrophilic nano cytoskeletal layer. The invention also provides a method for preparing the nano artificial dura mater, which comprises the following steps: preparing an electrospun solution of a hydrophobic polymer; preparing an electrospun solution of a hydrophilic polymer; preparing the prepared electrospun solution of the hydrophobic polymer into the hydrophobic anti-adhesion electrospun layer through static spinning; and preparing the hydrophilic nano cytoskeletal layer on the anti-adhesion electrospun layer from the prepared electrospun solution of the hydrophilic polymer through static spinning, receiving a membrane structure, and obtaining the nano artificial dura mater. The mechanical features of the nano artificial dura mater can meet the requirements on tensile strength and flexibility of adaptation diseases; and the nano artificial dura mater can be freely cut as required, and has wide application prospect.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH

Medical anti-sticking membrane and preparation method thereof

The invention provides a medical anti-sticking membrane and a preparation method thereof. The anti-sticking membrane comprises a nanometer frame and hydrosol attached thereon. The hydrosol is internally packed with one or several kinds of styptic medicament or / and anti-sticking medicament. The invention also provides a preparation method of the anti-sticking membrane, comprising the following steps of: preparing electro-spinning solution, styptic medicament and / or anti-sticking medicament-containing hydrosol solution and crosslinker solution; receiving static spinning with the crosslinker solution to obtain the nanometer frame; printing the styptic medicament and / or anti-sticking medicament-containing hydrosol solution onto the nanometer frame by an ink-jet printer, and solidifying the hydrosol solution to obtain the anti-sticking membrane. The anti-sticking membrane has good capability and biological compatibility, and nontoxicity as well as nonirritant, can be completely degraded and absorbed, is compounded with controllably released styptic medicament or / and anti-sticking medicament, has controllable degrading time and speed, and conquers defects of the prior art.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH

Preparation method of rice noodles

The invention discloses a preparation method of rice noodles. The preparation method comprises the steps of fermenting a raw material, resisting aging, grinding into pulp and steaming and further comprises the step of resisting aging secondarily after the steaming step, wherein the step of resisting aging secondarily comprises the substeps of contacting amylase with a rice slice obtained in the steaming step and putting aside the rice slice for 20-80 minutes at 30-80 DEG C; the amylase is alpha-amylase and / or beta-amylase; and the raw material is rice and / or unpolished rice. By the preparation method, the production process can be conveniently controlled, the rice noodles can be produced on a large scale, and the produced rice noodles are stable in quality and long in shelf life.
Owner:湖南金健米制食品有限公司

Honeycomb-structure sheet material having fiber-reinforced thermoplastic skin and preparation method thereof

The invention discloses a honeycomb-structure sheet material having a fiber-reinforced thermoplastic skin, characterized in that the honeycomb-structure sheet material comprises fiber-reinforced thermoplastic skins, a film, and a thermoplastic honeycomb core, wherein the thermoplastic honeycomb core is arranged between two fiber-reinforced thermoplastic skins and is bonded with the skins though the film. According to the invention, by using bidirectional continuous fibers to reinforce the thermoplastic composite material skins, the advantages of high strength and good toughness are achieved; simultaneously, by using the film to bond, the amount of glues is easy to control, and the phenomenon that liquid enters in honeycomb holes when using liquid glues to bond is not easy to happen; and by using a hot-press roller secondary forming method, the advantages of simple processing devices, easy control of product quality, high production efficiency, easy realization, and convenient popularization are achieved.
Owner:LIAONING LIAOJIE SCI & TECH

Artificial articular cartilage based on autologous cells and preparation method thereof

The invention provides artificial articular cartilage based on autologous cells and a preparation method thereof. The artificial articular cartilage comprises a nano bionic support and hydrosol adhered to the nano bionic support, wherein one or more cytokines are coated into the hydrosol. The invention also provides the method for preparing the artificial articular cartilage, which comprises the following steps: preparing an electrostatic spinning solution, a cytokine-containing hydrosol solution and a crosslinking agent solution; using the crosslinking agent solution to receive electrostatic spinning so as to prepare the nano bionic support; and using an ink jet printer to print the cytokine-containing hydrosol solution on the nano bionic support, and curing the hydrosol to obtain the artificial articular cartilage. The three-dimensional support adopted by the invention has ideal degradation speed and is degraded after the regeneration of an articular cartilage layer, can meet the requirement of actual clinical application, can be completely degraded, and has good abrasion resistance and lubricity so as to be capable of replacing the cartilage before the regeneration of the articular cartilage layer.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH

Preparation method of black garlic

The invention relates to food processing, and in particular relates to a preparation method of black garlic. The method is characterized by comprising the following steps of: adding cleaned raw garlic or raw minced garlic into sour milk, fermenting for 6 to 12 days at the temperature of between 20 and 25 DEG C, transferring to a fermentation chamber, setting the temperature at 75 to 85 DEG C, setting the humidity at 75 to 100 percent, fermenting for 10 to 15 days, drying till the moisture content is 40 to 55 percent, and sterilizing and packing the dried black garlic. The prepared black garlic has high nutritional value, has fragrant and sweat taste after eating and smooth taste, is health-care instant food, and can be used as an optimal matched seasoning for making beverage, cooked wheaten food and the like.
Owner:徐州绿之野生物食品有限公司

Multi-effect rectifying process of methanol

The invention relates to a multi-effect rectifying process of methanol, which belongs to the technical field of separation and purification of chemical products. In the process, a crude methanol raw material of coal-to-methanol is rectified by a pre-rectifying tower, a pressurizing tower I, a pressurizing tower II, an atmospheric tower and a recovery tower in turn at appropriate temperature and pressure so as to obtain a high-purity refined methanol product according with quality requirements. In the flow, methanol steam on the top of the pressurizing tower I is used for providing heat for a reboiler at the bottom of the pressurizing tower II, the methanol steam on the top of the pressurizing tower II is used for providing heat for a reboiler at the bottom of the atmospheric tower, and the pressurizing tower I, the pressurizing tower II and the atmospheric tower form multi-effect rectification; and simultaneously, the methanol steam on the top of the recovery tower is used for providing heat for a reboiler at the bottom of the pre-rectifying tower, and the recovery tower and the pre-rectifying tower form double-effect rectification. The invention provides an energy-saving methanol multi-effect rectifying process method which has the advantages of greatly reduced energy consumption, more stable production process, more easily controlled product quality, higher methanol recovery rate and basically equivalent investment compared with a three-tower rectifying process.
Owner:XI'AN PETROLEUM UNIVERSITY

Special high-performance carbon paper for gas diffusion layer of fuel cell and preparation method of carbon paper

The invention relates to carbon paper and a preparation method thereof and particularly relates to special high-performance carbon paper for a gas diffusion layer of a fuel cell and a preparation method of the carbon paper. By taking short carbon fibers, plant fibers, heat bonding fibers and carbon black as raw materials, the carbon paper is prepared by the following steps: defibering, pulping and proportioning; then carrying out papermaking by adopting a wet-method papermaking process; and carrying out waterproof pigment coating treatment. The ratios of all the raw materials are as follows in parts by weight: 65-75 parts of the short carbon fibers, 10-15 parts of the plant fibers, 10-15 parts of the heat bonding fibers and 0-10 parts of the carbon black. According to the special high-performance carbon paper for the gas diffusion layer of the fuel cell and the preparation method of the carbon paper, a production process combining wet-method formation, hot pressing and coating is adopted and has the characteristics of simple process flow, easiness for controlling product quality, environment-friendly production process and the like; the material ratio of each raw material can be accurately controlled in the production so as to be good for controlling the product quality.
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Method for preparing nano filter membrane using surface crafting technology

The present invention relates to surface grafting process of preparing hydrophilic nanofiltering film. The surface grafting process is one radiation grafting process, which is low temperature plasma radiation process, ultraviolet radiation process, high energy ray radiation process, etc. The present invention has simple operation, controllable reaction, regulation of separating membrane performance in great range and other features, and is especially suitable for the preparation of hydrophilic nanofiltering film.
Owner:FUDAN UNIV

Pullulan polysaccharide hollow hard capasule and its preparing method

The present invention discloses a hollow hard capsule and its preparation method. It is made up by adopting prolanpolysaccharide as main body material and adding gelling agent, coagulant aids, surfactant and humectant through a certain preparation process. Said invention also provides the concrete steps of its preparation method.
Owner:广东强基药业有限公司

Polymethyl methacryate and crosslinking hyaluronic acid mixed gel for injection and preparation method thereof

The invention relates to a mixed gel consisting of polymethyl methacrylate and cross bonding hyaluronic acid, which is applied to injection, and a preparation method thereof; the mixed gel of the invention is characterized in that polymethyl methacrylate microballoon, cross bonding hyaluronic acid gel particles and hyaluronic acid or salting liquid thereof form the mixed gel, wherein, the polymethyl methacrylate microballoon accounts for 0.5-30% in terms of volume, volume ratio of the cross bonding hyaluronic acid gel particles and hyaluronic acid or salting liquid thereof ranges from 1:19 to19:1. The method for preparing the mixed gel comprises respectively preparing the polymethyl methacrylate microballoon and cross bonding hyaluronic acid gel particles, then evenly mixing the microballoon and the gel particles with hyaluronic acid or salt thereof dissolved in isosmotic solution, the sterilizing and packaging the mixture to obtain the finished product. The mixed gel of the invention can be used to prepare injection applied to beauty care and medical treatment and is a highly effective and lasting moulding material, which has the advantages of less side-effect and low incidence rate of anaphylactic reaction.
Owner:SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES

Method for preparing solid catalyst in olefin polymerization catalyst

The invention provides a preparation method of solid catalyst used in olefinic polymerization catalyst, the method synthetizes the solid catalyst of olefinic polymerization continuously by magnesium powder, simplifies the technology of preparing magnesium compounds solid firstly then preparing the solid catalyst of olefinic polymerization, reduces quantity of equipment needed in industrialization, has advantages of simple technics, easy operation, low industrializing installation cost, low production cost, easy controlled product quality. The ball solid catalyst of olefinic polymerization which D(50) is in range of 10-80 mum is produced through the method of the invention, the catalyst has particle sphericity height L / W<1.4 (L expresses the longest axle of the particle, W is the minimum axle of the particle), has advantages of high polymerization activity, hydrogen regulating sensibility, high isotacticity of the polymer, centralized particle-size distribution.
Owner:CHINA PETROLEUM & CHEM CORP +1

Waste salt resourceful treatment system and application

The invention relates to a waste salt resourceful treatment system which comprises a waste salt carbonization and pyrolysis system, a carbon-containing salt slag dissolving and filtering system and anevaporating and salt separating system in sequential connection, wherein the waste salt carbonization and pyrolysis system can carry out carbonization and pyrolysis treatment on waste salt I composedof sodium chloride, and sodium sulfate monomer salt or mixed waste salt and also can treat tail gas; the carbon-containing salt slag dissolving and filtering system can dissolve and filter the carbon-containing salt slag treated by the waste salt carbonization and pyrolysis system; and the evaporating and salt separating system can carry out evaporation and concentration, fractional crystallization and drying treatment on the strong brine treated by the carbon-containing salt slag dissolving and filtering system to obtain product salt. The waste salt resourceful treatment system takes industrial waste salt as the raw material, removes organic pollutant from waste salt and separates mixed inorganic salt to finally obtain an industrial second-grade salt product, so that recycling of waste salt is realized, and the flue gas generated during the production process is discharged after reaching the standard.
Owner:北京航天环境工程有限公司

Film-forming agent composition and starchiness vegetable adhesive containing the composition

The invention provides a film forming compound with modified starch as the main component, a film forming material containing the compound, and more particularly a hard-shell natural capsule made from the compound. The compound contains no or very little animal protein such as gelatin, etc. The compound can partially or completely replace the gelatin from animals for producing natural hard-shell capsules. The prepared natural capsule shell product has the advantages of excellent film forming property, high strength, good flexibility, high transparency, decomposability and microbial pollution resistance. The main component of the compound, modified starch, has stable quality and highly controllable performance.
Owner:长春大成特用玉米变性淀粉开发有限公司

Nerve conduit and preparation method thereof

ActiveCN102688076AAddress barriers to developmentModerate intensitySurgeryCatheterCatheterNerve repair
The invention discloses a nerve conduit and a preparation method thereof. The nerve conduit consists of an inner layer, an outer layer and at least one minitype cavity for storing a bioactive factor solution, wherein the inner layer is of a hydrophilic cell scaffold layer, and the outer layer is of a hydrophobic nerve conduit scaffold layer. The nerve conduit can further comprise a transition layer between the inner layer and the outer layer. The preparation method of the nerve conduit comprises the steps of preparing the inner layer by adopting an electrostatic spinning method, then adding the material for preparing the cavity, then preparing the outer layer, and taking out or dissolving the material for preparing the cavity, thus obtaining the nerve conduit. The nerve conduit has the minitype cavity, so that bioactive factors can be loaded by a manner of injection, soaking and the like as required before operation, thus not only leading the production quality to be easily controlled, but also being capable of greatly improving the survival rate of the bioactive factors, more efficiently promoting the regeneration of nerves, and enhancing the restoration effect of nerves.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH

Nano artificial dura mater capable of being used as medicine sustained-release system and preparation method thereof

The invention provides a nano artificial dura mater capable of being used as a medicine sustained-release system, having the structure which comprises at least two layers, i.e. a hydrophobic anti-blocking electro-spun layer which faces the cerebrum, and a hydrophilic nano cytoskeleton layer which backs on to the cerebrum; and cell factors and / or medicines are arranged in any layer of the artificial dura mater by way of blended spinning. The invention also provides a method for preparing the nano biomimic artificial dura mater. Compared with an artificial mater prepared by the single utilization of the electro-spinning technology, the artificial mater to which the medicines and the cell factors are added by blending technology can effectively prevent infection and faster promote the regeneration process of the artificial mater. The invention also provides a novel medicine loading and releasing mode for treating cerebral diseases, the loaded medicines can be directly and efficiently transferred into the cranial cavity along with the implantation of the dura mate and can be released according to requirements, and therefore the invention realizes favorable treatment effect and has broad application prospect.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH

Method for refining fasudil hydrochloride

The invention relates to a method for refining fasudil hydrochloride. The method comprises the following steps: 1, discoloring, namely adding active carbon into fasudil after resin adsorption, fully mixing the active carbon and the fasudil, filtering the mixture, removing the active carbon, and collecting the filtered solution for later use; 2, washing, namely adding purified water into the discolored solution, fully mixing the solution, separating the solution to remove water phase, and collecting the oil phase for later use; 3, acidifying and salifying, namely adding the purified water intothe oil phase, adjusting pH value of the solution by hydrochloric acid to fully acidify and salify the oil phase, and collecting the water phase for later use; and 4, crystallization, namely, adding n-butyl alcohol into the water phase, fully mixing the solution, then decompressing and azeotropic-crystallizing the solution, duly replenishing the n-butyl alcohol to keep the consistency of the solution, stopping crystallization till the moisture content in the mother solution is reduced to a certain value, and filtering and drying the crystals to obtain a refined fasudil hydrochloride product.
Owner:TIANJIN CHASE SUN PHARM CO LTD

Roll bending forming method and device of cap-shaped sectional material with variable cross section

The invention relates to a roll bending forming method and device of a cap-shaped sectional material with a variable cross section, which belongs to the field of roll bending forming technology and equipment, and solves the problem that the cap-shaped sectional material with the variable cross section is difficult to process. The method comprises the following steps: after a metal plate to be processed is rolled and flattened, conveying the metal plate to a variable-cross-section roll bending forming roller group through a plate belt guide device, and then rolling into the required cap-shaped sectional material; conveying the cap-shaped sectional material after being molded outside the roller group through a sectional material guide device; conveying the cap-shaped sectional material to a cutting device, and implementing the follow-up steps, such as blanking and cutting; and conveying the final products outside the production line through a discharge table, and stacking the final products. The process of producing the cap-shaped sectional material on the whole production line does not need to be monitored, the production efficiency is high, and the product quality is convenient to control.
Owner:NORTH CHINA UNIVERSITY OF TECHNOLOGY

Enteric coated preparation of lansoprazole sodium and preparation method thereof

Disclosed is a Lansoprazole sodium intestine-dissolving preparation, which is prepared from Lansoprazole sodium 15-30 parts, thinning agent 150-300 parts, moistening agent or binding agent 20-110 parts, crumbling agent 5-25 parts, lubricating agent 5-15 parts and coating agent 30-100 parts through the steps of disintegrating, sieving, mixing, tabletting, and dressing isolation layer.
Owner:JINZHOU JIUTAI PHARML CHINA

High-oryzanol rice bran oil two-phase extraction de-acidification refining technology

A high-oryzanol rice bran oil two-phase extraction de-acidification refining technology includes processes of degumming with phosphoric acid, centrifugal separation, two-phase extraction de-acidification, separatory distillation for solvent removal, vacuum drying, adsorptive de-coloration, deodorization, de-waxing and the like. The refined rice bran oil produced by the technology is clear, transparent and odour free, and has good tastes, Physical and Chemical characters of acid value and the like of the refined rice bran oil are in accordance with the second grade of national edible oil standard, and simultaneously, content of the produced rice bran oil is more than 1.5%. The whole technology is simply, few devices are invested for the technology, the rice bran oil products have high yield and purity, product quality can be easily controlled, and a new way for producing high-quality nutritious rice bran oil is provided.
Owner:HUNAN AGRICULTURAL UNIV +1

A kind of preparation method of ceramic bulletproof plate

The preparation method of a ceramic bullet-proof plate provided by the present invention is to use a solvent-based adhesive to bond bullet-proof ceramic sheets and high-performance fiber laminates together through a negative pressure forming process, and then press and shape the bullet-proof plate in a special mold. The specific preparation method is as follows: firstly, the bulletproof ceramic sheet is neatly placed on a high-performance fiber fabric laminate coated with a solvent-based adhesive according to the designed shape; then, the ceramic sheet and the laminate are placed horizontally on a negative pressure forming machine ( The forming machine is used to form a negative pressure in a certain space), adjust the air pressure to 0.1-0.5 atmospheres, keep it for 5-10 minutes, then take it out, and manually adjust the displacement of the bulletproof ceramic sheet; finally, press and shape it in the mold, The molding condition is 0.3~1Mpa pressure at room temperature for 12 hours.
Owner:BEIJING AEROSPACE RATE MECHANICAL & ELECTRICAL ENG CO LTD

Novel pregabalin crystalline form and its preparing process

The invention relates to a novel crystalline form of pregabalin drug for treating epilepsy and neuropathic pain and its preparation method. Compared to others pregabalin with agraphitic form and other forms, pregabalin with the novel crystalline form has good stability and is suitable for mass production. Pregabalin with the novel crystalline form uses Cu-Ka radiation and its X-ray powder diffraction has characteristic peak at 9.5(9.3), 12.3(7.2), 16.7(5.3), 18.4(4.8), 19.9(4.5) and 23.3(3.8) with the coordinate of 2-theta and interplanar spacing (d).
Owner:FUKANGREN BIO PHARMA

Method for extracting rice protein powder by utilizing enzyme-alkali method

The invention provides a method for extracting rice protein powder by utilizing enzyme-alkali method. The method in the invention takes rice residue as raw materials and comprises the following steps: washing with water, eliminating sugar, carrying out milling refining on the colloid, eliminating residue starch by utilizing starch enzyme, pre-extracting alkali protease, adding alkali for extraction, centrifuging and taking the supernate to mix to neutrality, inactivating enzymes and sterilizing, and spraying and drying to obtain the rice protein powder. The rice protein powder produced by utilizing the process has faint yellow color, delicate taste and good solubility, and can be maintained well from physicochemical function. The invention has simple process, few investment device, high yield and purity of products, good solubility, and easily-controlled product quality, is suitable for practice popularization and provides a new route for the extraction of rice protein.
Owner:长沙湘博医药科技有限公司

Pitaya rice wine and preparation method thereof

The invention relates to a pitaya rice wine and a preparation method thereof, wherein the pitaya rice wine comprises pitaya and traditional rice wine nutrients, and a mass ratio of the pitaya to the rice wine is 1:3-1:5. The present invention further provides a pitaya rice wine preparation method, which comprises: carrying out crushing and enzymolysis on pitaya, mixing the obtained pitaya into a rice wine to carry out mixing fermentation, and carrying out blending, filling and sterilization to prepare the finished product. The prepared pitaya rice wine has function components of the pitaya and the traditional rice wine, and is a novel rice with characteristics of rich vitamin, rich protein, rich anthocyanin and rich other components, and health care function, wherein the pitaya rice wine research gap is filled.
Owner:XUCHANG UNIV

Method for producing high-flowability pregelatinized starch

The invention provides high-flowability pregelatinized starch and a method for preparing the same by mechanical activation, which belong to the technical field of starch modification processing. The method comprises the following steps: uniformly mixing starch and a certain amount of flow aid in a high-speed mixer uniformly, pre-drying the starch by using heat generated in a high-speed mixing process, and controlling the water content in the starch to be lower than 15 percent; and placing the uniformly mixed materials in a ball mill containing a milling medium, well regulating the temperature for constant-temperature dissolution in water, performing mechanical activation for a certain time period, taking the starch out, and sieving the starch with a 80 to 100-mesh sieve. The method has the advantages of simple process and equipment, small investment, environmentally-friendly process, low production cost, easy product quality control and the like. The prepared product has the characteristics of high flowability, loose structure, uniform particles and precision control over pregelatinization degree and can be widely used in industrials and fields of foods, pharmaceuticals, chemicals and the like.
Owner:GUANGXI UNIV +2

Preparation method of coal-based granular activated carbon with molecular sieving effect and application thereof in pressure-transformation adsorption and separation concentrated gas

The invention relates to a preparation method of coal-based granular activated carbon with molecular sieving effect and an application thereof for concentrating strongly adsorptive components of methane, carbon dioxide, and the like in mixed gas with methane and carbon dioxide by a direct deflating step and an inverse vacuum pumping step. The preparation method of coal-based granular activated carbon comprises the following steps: (a) pulverizing coal; (b) adding adhesives of coal tar, and the like into coal powder, and evenly mixing by adding water; (c) molding cylindrical granules, and drying; (d) carbonizing the molded cylindrical granules under nitrogen protection; (e) activating the carbonized cylindrical granules by vapor under the nitrogen protection; and (f) cooling the carbonizedcylindrical granules at room temperature, cleaning by water, and drying after the carbonized cylindrical granules are discharged. The prepared coal-based granular activated carbon has low cost, low pollution, low density and high adsorption performance after being loaded and can be used for a pressure-transformation adsorption technology to effectively concentrate gas components with different adsorption abilities in the mixed gas in a direct deflating process.
Owner:CHONGQING UNIV

Moxifloxacin aqueous solution type injection

The invention discloses a moxifloxacin aqueous solution type injection which contains moxifloxacin or pharmaceutically acceptable salt, weak acid sodium salt or phosphoric acid sodium salt and water for injection, wherein the content of the moxifloxacin is 0.8-4 percent (g / ml), and the molar concentration of the weak acid sodium salt or the phosphoric acid sodium salt is 0.0002-1mol / L. The moxifloxacin aqueous solution type injection product has strong dissolubility, human body acceptable pH value, easier control of product quality, stability in a storage period, good compatibility with clinical common isotonic solution, low production cost, small volume and convenient transportation and storage.
Owner:SHANDONG BESTCOMM PHARMA CO LTD
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